Radiologic technology
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Following every well-publicized act of incomprehensible violence, the news media rush to interview neighbors, family members, and experts in an attempt to discover what could have led an individual to commit such a barbarous act. Certain stock answers are reiterated: video games, bullying, violent films, mental illness, the availability of guns, and a society that is increasingly both anonymous and callous. Might imaging be one of the more valuable keys to unlocking the mysteries of violent, aggressive people? This article explores these questions and their complex answers in the context of violent individuals.
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To discover the status and structure of radiology in Latin America with respect to the health care systems it is part of, the effects of socioeconomics, the equipment and technology used, technologists and their training, accreditation, and professional organizations. ⋯ The current status of radiology in Latin America must be determined. This knowledge will help us discover opportunities for cooperation and ways to improve radiology practice. The main need in Latin America is to extend coverage to the underserved population.
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Medical imaging plays a key role in solid organ donation and transplantation. In addition to confirming the clinical diagnosis of brain death, imaging examinations are used to assess potential organ donors and recipients, evaluate donated organs, and monitor transplantation outcomes. This article introduces the history, biology, ethics, and institutions of organ donation and transplantation medicine. The article also discusses current and emerging imaging applications in the transplantation field and the controversial role of neuroimaging to confirm clinically diagnosed brain death.
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The emergence of CT scanning as a routine diagnostic and radiation therapy planning tool has improved patient care by increasing the anatomic detail and diagnostic information available to clinicians. An increase in patient demand, availability and reimbursement practices have contributed to a dramatic escalation in the number of scans performed each year, and the risk and clinical justification for many of these procedures now is under debate. This Directed Reading will review recent events and trends in CT imaging and patient radiation dose, dosimetry, the biological effects of ionizing radiation, the principles of radiation safety and strategies for managing patient dose.
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Tragic university shootings have prompted administrators of higher education institutions to re-evaluate their emergency preparedness plans and take appropriate measures for preventing and responding to emergencies. ⋯ The review of the 28 emergency preparedness plans confirmed that most colleges are prepared for basic emergencies, but lack the key components needed to successfully address mass-casualty events. Only 5 (18%) of the 28 institutions addressed policies concerning school shootings.